Useful tips for everyday
How do I access Chatter groups? First, create the All Sales Chatter group. Click the App Launcher . Enter Groups in the Search apps and…
How do I block an IP address using ssh? HOWTO: Restrict ssh access by IP Address and/or username Edit the /etc/hosts. allow file to include…
How do I run a Windows script before shutdown? To set up a script to run as soon as you shut down your PC, follow…
Does export mailbox delete messages? Now, exporting a mailbox does not clear out its contents. After exporting, if you then want to get rid of…
How many combinations of 32 alphanumeric characters are there? For 32 characters, then, there’s 6232 possibilities. There are 26 possible small letters, so by the…
Why does my MacBook Air Keep Dropping Internet connection? There are three main reasons why Wi-Fi stops working: there’s a problem with your router, your…
How do you find the variance of X Y? Var[X+Y] = Var[X] + Var[Y] + 2∙Cov[X,Y] . Note that the covariance of a random variable…
How do I know if I should install 32-bit or 64-bit? Look to the right of the “System type” entry. If you see “64-bit operating…
Why does my footer keep disappearing in Word? Hover the mouse over the top or bottom edge of any page until Word displays the white…
How do I move pictures from one folder to another? How can I move a picture from one folder to another (without moving all of…